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United States Patent | 5,115,798 |
Moore, Jr. ,   et al. | May 26, 1992 |
A condensate trap in the exhaust gas conduit of a forced draft water and space heater comprises a housing providing a chamber open at its upper end to the exhaust conduit and having a condensate outlet below the inlet and controlled by a float valve in the chamber.
Inventors: | Moore, Jr.; Henry J. (Playa Del Rey, CA); Gidanian; Bijan (Granada Hills, CA) |
Assignee: | Mor-Flo Industries, Inc. (Cleveland, OH) |
Appl. No.: | 742329 |
Filed: | August 8, 1991 |
Current U.S. Class: | 122/14.1; 122/18.3; 126/110R; 137/192 |
Intern'l Class: | F24H 001/00 |
Field of Search: | 126/110 R,99 R,362,116 R,360 R,110 C,351,361 137/192,132,314,409 122/17,20 B,121,182 S |
2598706 | Jun., 1952 | Manning | 137/192. |
3028843 | Apr., 1962 | Carlson et al. | 122/149. |
4356794 | Nov., 1982 | Bouman et al. | 122/158. |
4449484 | May., 1984 | Sakamoto et al. | 122/13. |
4531509 | Jun., 1985 | Wilhelm, Jr. | 126/362. |
4541410 | Jul., 1985 | Satana | 126/362. |
4627460 | Dec., 1986 | Eising | 137/192. |
4682579 | Jul., 1987 | Bigham | 126/110. |
4729328 | Mar., 1988 | Shellenberger | 110/93. |
4742842 | May., 1988 | Garneau et al. | 137/192. |
4745942 | May., 1988 | Delwiche | 137/192. |
4766883 | Aug., 1988 | Cameron et al. | 126/351. |
4856550 | Aug., 1989 | Smelcer | 126/110. |
Foreign Patent Documents | |||
7939 | ., 1908 | GB | 137/192. |